Comparing demand response and battery storage to optimize self-consumption in PV systems

Lorenzi, Guido; Silva, Carlos Santos

doi:10.1016/j.apenergy.2016.07.103

Cited by 95 publications

(40 citation statements)

References 11 publications

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“…Among them, BESS scheduling is the most attractive topic. Most approaches have been proposed for the application of customer side by minimizing their electricity bill or daily expenditure [16,17] or maximizing self-consumption [18]. BESS siting and sizing are less common, while the obtained results depend on how the BESS operates.…”

Section: Introductionmentioning

confidence: 99%

Optimal strategies of siting, sizing, and scheduling of BESS: Voltage management solution for future LV network

Nguyen

Chaitusaney

Yokoyama

2019

IEEJ Transactions Elec Engng

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With the object of reducing CO 2 emission and the reliance on fossil fuels, solar power generation has received special support and is being deployed rapidly in many distribution networks. Battery energy storage system (BESS), an effective voltage management solution for low-voltage (LV) networks to deal with the high penetration of rooftop photovoltaic (PV) systems, is investigated in this paper considering the degradation of BESS due to aging. Two optimal strategies of BESS cost minimization are proposed for long-term planning and operation planning, where the utility is the BESS owner. As for the long-term planning, a strategy for siting and sizing of BESS is formulated based on the characteristics of the network, typical load, and PV generation profiles. Then, for the operation planning, schedules of BESSs and their cost estimation are provided based on the load and PV generation forecasts of 1 day ahead. The effectiveness of the proposed methods is demonstrated on the simplified network of the Metropolitan Electricity Authority, Thailand, using MATLAB (Natick, Mssachusetts, USA) 2016a and MATPOWER 6.0.

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Section: Introductionmentioning

confidence: 99%

Optimal strategies of siting, sizing, and scheduling of BESS: Voltage management solution for future LV network

Nguyen

Chaitusaney

Yokoyama

2019

IEEJ Transactions Elec Engng

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“…PV generation costs and emissions are the topics of most concern. In addition, other researchers and experts have also explored and assessed PV projects from the grid, storage and consumption sides [27][28][29][30][31][32]. The coordination development relations of multiple participants have mainly been considered and evaluated when PV projects were connected to the power grid and storage system.…”

Section: Literature Reviewsmentioning

confidence: 99%

Core Abilities Evaluation Index System Exploration and Empirical Study on Distributed PV-Generation Projects

Nie

et al. 2017

Energies

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Abstract:In line with the constraints of environmental problems and economic development, large-scale renewable-generation projects have been planned and constructed in recent years. In order to achieve sustainable power development and improve the power supply structure, China's government has focused on distributed photovoltaic (PV) generation projects due to their advantages of clean emission and local consumption. However, their unstable output power still brings a series of problems concerning reliability, investment income, and available substitution proportion to traditional power, and so on. Therefore, it is imperative to understand the competitive development abilities of distributed PV generation projects and measure them effectively. First, through various investigation methods such as literature reviews, feasibility report analysis and expert interviews, the factors that influence the core abilities of distributed PV-generation projects were explored based on the micro-grid structure. Then, with the indexed exploration results, the factors were classified into 6 dimensions, i.e., investment and earning ability, production and operation ability, power-grid coordination ability, energy-conservation and emission-reduction ability, sustainable development ability, and society-serving ability. Meanwhile, an evaluation index system for core abilities of distributed PV-generation project was constructed using all quantitative indicators. Third, for examining the availability of the evaluation index system, combination weighting and techniques for order preference by similarity to an ideal solution (TOPSIS) methods were adopted to assess the practical distributed PV-generation projects. The case study results showed that installed capacity, local economy development, and grid-connected power quantity will influence the core abilities of distributed PV-generation project, obviously. The conclusions of the evaluation analysis on core abilities can provide useful references to operate and manage distributed PV-generation projects and promote their sustainable and health advantages. The proposed evaluation index system can also be used to assess power-generation projects in other types of energy, such as wind power and hydropower.

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“…Both works dealt with the limitations in the power flows between the PV system, the public electrical gird, and batteries. In combination with energy storage, intelligent load management may address important improvements in the self-consumption of buildings [7,8]. This strategy basically consists of scheduling the controllable loads to match the hours with the maximum production of solar energy.…”

mentioning

confidence: 99%

Energy Management Strategy for Micro-Grids with PV-Battery Systems and Electric Vehicles

et al. 2018

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This paper analyzes the impact of photovoltaic (PV) systems on storage and electric vehicles in micro-grids. As these kinds of systems are becoming increasingly popular in the residential sector, the development of a new generation of equipment, such as more efficient batteries or solar panels, makes further study necessary. These systems are especially interesting in commercial or office buildings, since they have a more repetitive daily pattern of electricity consumption, which usually occurs within the maximum solar radiation hours. Based on this need, a novel control strategy aimed at efficiently managing this kind of micro-grid is proposed. The core of this strategy is a rule-based controller managing the power flows between the grid and the batteries of both the PV system and the electric vehicle. Through experimental data and simulations, this strategy was tested under different scenarios. The selected testbed consisted of the laboratory of a research center, which could be easily scalable to the entire building. Results showed the benefits of using an electric vehicle as an active agent in energy balance, leading to a reduction of the energetic costs of a micro-grid.Energies 2018, 11, 522 2 of 13 residential buildings is presented in [2], where energy storage and load management were presented as the main strategies for increasing self-consumption. The latest developments in battery technology have enabled their use in residential houses. In [3], self-consumption was quantified for a PV system with a home battery. Due to different electricity taxes, market tariffs, and stochastic consumption and production in Europe, that paper did not ensure that the battery was to be profitable in today's market. However, increasing electricity prices and the expected decrease in battery prices suggest that energy storage could be a profitable option in the near future, even in Northern Europe. A methodology for sizing residential PV battery systems was proposed in [4], and a control algorithm for these kinds of systems were proposed in [5,6]. Both works dealt with the limitations in the power flows between the PV system, the public electrical gird, and batteries. In combination with energy storage, intelligent load management may address important improvements in the self-consumption of buildings [7,8]. This strategy basically consists of scheduling the controllable loads to match the hours with the maximum production of solar energy. In commercial and office buildings where the loads and solar energy production occur at the same time, it is likely to reach high self-consumption [9]. However, in houses whose occupants spend the central part of the day outside, a mismatch between production and consumption occurs. In this scenario, active demand-side management (DSM) allows the improvement of self-consumption by selecting when a water heater, a washing machine, or other programmable appliances should start working.Taking into account the concepts of energy storage and DSM, the plug-in electric vehicle (EV) arises as a c...

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Comparing demand response and battery storage to optimize self-consumption in PV systems

Cited by 95 publications

References 11 publications

Optimal strategies of siting, sizing, and scheduling of BESS: Voltage management solution for future LV network

Optimal strategies of siting, sizing, and scheduling of BESS: Voltage management solution for future LV network

Core Abilities Evaluation Index System Exploration and Empirical Study on Distributed PV-Generation Projects

Energy Management Strategy for Micro-Grids with PV-Battery Systems and Electric Vehicles

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